Home / 3,279.71-4,526.21-1,863.38

Finding the Fourth Proportional to 3,279.71, 4,526.21 and 1,863.38

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Solution

The fourth proportional to 3,279.71, 4,526.21 and 1,863.38 is: 2,571.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.71 : 4,526.21 = 1,863.38 : x
  2. Step 2: Convert to fraction form
    3,279.71/4,526.21 = 1,863.38/x
  3. Step 3: Cross multiply
    3,279.71x = 4,526.21 × 1,863.38
  4. Step 4: Simplify right side
    3,279.71x = 8,434,049.19
  5. Step 5: Solve for x
    x = 8,434,049.19/3,279.71
  6. Step 6: Final answer
    x = 2,571.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.